diff options
| -rw-r--r-- | src/tools/miri/src/shims/unix/foreign_items.rs | 19 | ||||
| -rw-r--r-- | src/tools/miri/src/shims/unix/linux/foreign_items.rs | 11 |
2 files changed, 19 insertions, 11 deletions
diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index 35036ce078d..bd56139a291 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -711,6 +711,25 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } + "sched_getaffinity" => { + // FreeBSD supports it as well since 13.1 (as a wrapper of cpuset_getaffinity) + if !matches!(&*this.tcx.sess.target.os, "linux" | "freebsd") { + throw_unsup_format!( + "`sched_getaffinity` is not supported on {}", + this.tcx.sess.target.os + ); + } + let [pid, cpusetsize, mask] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + this.read_scalar(pid)?.to_i32()?; + this.read_target_usize(cpusetsize)?; + this.deref_pointer_as(mask, this.libc_ty_layout("cpu_set_t"))?; + // FIXME: we just return an error; `num_cpus` then falls back to `sysconf`. + let einval = this.eval_libc("EINVAL"); + this.set_last_error(einval)?; + this.write_scalar(Scalar::from_i32(-1), dest)?; + } + // Platform-specific shims _ => { let target_os = &*this.tcx.sess.target.os; diff --git a/src/tools/miri/src/shims/unix/linux/foreign_items.rs b/src/tools/miri/src/shims/unix/linux/foreign_items.rs index 6937e0f089e..1a233d73d51 100644 --- a/src/tools/miri/src/shims/unix/linux/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/linux/foreign_items.rs @@ -197,17 +197,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; getrandom(this, ptr, len, flags, dest)?; } - "sched_getaffinity" => { - let [pid, cpusetsize, mask] = - this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; - this.read_scalar(pid)?.to_i32()?; - this.read_target_usize(cpusetsize)?; - this.deref_pointer_as(mask, this.libc_ty_layout("cpu_set_t"))?; - // FIXME: we just return an error; `num_cpus` then falls back to `sysconf`. - let einval = this.eval_libc("EINVAL"); - this.set_last_error(einval)?; - this.write_scalar(Scalar::from_i32(-1), dest)?; - } // Incomplete shims that we "stub out" just to get pre-main initialization code to work. // These shims are enabled only when the caller is in the standard library. |